University of Al Mustansiriya

Al Majar al Kabir, Iraq

University of Al Mustansiriya

Al Majar al Kabir, Iraq
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Muhaimeed A.S.,University of Baghdad | Al Kassab N.F.A.,University Of Al Mustansiriya | Al Kassey K.A.,U.S. Department of Agriculture
Iraqi Journal of Agricultural Sciences | Year: 2016

Al shehemia project in Wasit Governorate was selected to represent the Irrigated area in middle Iraq to study the temporal change in land suitability for wheat cultivation. Soils of the study area consist mainly, of ntisols and Aridisols soil orders .Historical Soil data were collected from previous works done in 1972 . and some soil propertic were reavoluoted at 2014. Soil and climate were evaluated for wheat cultivation according to Sys, et al system (1993) and FAO, (1976) which developed by the Italian institute in 2012. The results showed that most of soil units are highly suitable for wheat growing with class S1 and consists about %85.34 from the total area, and %10.90 for N1and N2 classes. Land suitability for wheat cultivation increased to 92.37% for class S1 in 2014 due to the decrease in soil salinity. The results indicated that all soil units are affected by low organic carbon and this was affected on Suitability degree. The results indicated that suitability improved from 1972 to 2014 due to the decrease in soil salinity content resulted from praper management techniques that helped to leached the salts from the soils. The results showed that climate suitability for Wheat was highly Suitable (S1) for growing wheat in the study area during study period.


Ibrahim S.F.,University of Al Mustansiriya | Ahmed N.G.,University of Al Mustansiriya | Mohammed D.E.,University of Al Mustansiriya
International Journal of GEOMATE | Year: 2016

A pavement structure consists of several layers for the primary purpose of transmitting and distributing traffic loads to the subgrade. Rutting is one form of pavement distresses that may influence the performance of road pavements. Soft subgrade soils are distinguished by their low undrianed shear strength and high compressibility. The effect of geogrid and steel mesh to improve the performance pavement is experimentally investigated and evaluated. To compare the experimental and analytical outputs, three dimensions finite element throughout models using ABAQUS ver.6.12.3 software are developed to simulate and analyze the relations between the cycling load and deformation of the suggested pavement modes. Based on the results and the limitation of this study it is concluded that, using geogrid and steel mesh in pavement layers leads to increases in load carrying capacity and decrease the permanent deformation in surface pavement for (1000) cycles load by (27.3%) and (18.3%) respectively, as compared with unreinforced model. The results of ABAQUS program are very close to results of laboratory tests. © 2015, Int. J. of GEOMATE. All rights reserved.

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